Summary

  • Use play icon to watch live coverage alongside commentary from Martin Fisher & Rachel Brown-Finnis

  • Also listen to commentary from BBC Radio 5 Live, BBC Radio Sheffield & BBC Radio Devon

  • Sheffield United are bottom of the Premier League; Plymouth are 11th in League One

  • Four-time winners Sheffield United last won the competition in 1925

  • Sheffield United beat Bristol Rovers in round three; Plymouth overcame Huddersfield

Live Reporting

Emma Sanders, Phil Dawkes, Gary Rose, Tom Rostance and Shamoon Hafez

  1. No Aubameyang for Arsenal

    Southampton v Arsenal (12:15 GMT)

    Arsenal striker Pierre-Emerick Aubameyang has scored in all four of his appearances in the FA Cup, netting six goals in total in the competition.

    He's not in the squad today.

    .Getty Images

  2. Team news
    Breaking

    Southampton v Arsenal (12:15 GMT)

    Southampton striker Danny Ings does start. Theo Walcott will face his former club.

    Arsenal goalkeeper Bernd Leno starts with on-loan Mat Ryan on the bench. Gabriel Martinelli and Eddie Nketiah also start.

    More to follow.

  3. Southampton v Arsenal (12:15 GMT)

    BBC Radio 5 Live

    You can click the icon at the top of this page or whack out an old school radio to hear live commentary of this match.

  4. Southampton v Arsenal (12:15 GMT)

    Team news dropping very shortly. Will Danny Ings start? Will goalkeeper Mat Ryan make his Arsenal debut?

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  6. How to follow on the BBC

    BBC One

    Swansea City v Nottingham Forest (15:00) - Live on BBC One Wales

    Sheffield United v Plymouth Argyle (15:00) - Live on iPlayer and BBC Sport website

    West Ham v Doncaster Rovers (15:00) - Live on iPlayer, BBC Sport website and Red Button

    Cheltenham Town v Manchester City (17:30) - Live on BBC One and iPlayer

  7. Lawro's fourth-round predictions

    .BBC Sport

    Turf Moor is his "happy place" but Wembley is the destination that Radio 1 DJ and I'm a Celebrity star Jordan North is dreaming of for his beloved Burnley in the FA Cup.

    The Clarets fan is taking on BBC football expert Mark Lawrenson to make predictions for this weekend's fourth-round ties.

    Check them out here.

  8. Watch highlights

    FT: Chorley 0-1 Wolves

    If you missed last night's game, you can watch highlights as Vitinha's first-half long-range strike gave Wolves victory over gutsy non-league side Chorley to progress to the fifth round.

    FA Cup: Chorley 0-1 Wolverhampton Wanderers highlights

  9. Here's what's coming up today. A lot.

    Southampton v Arsenal (12:15 GMT) is up first, while Cheltenham Town v Manchester City (17:30 GMT) ends the day.

    .BBC Sport

  10. Eight fixtures, 16 teams and six Premier Legue sides - it's the FA Cup fourth round bumper Saturday.

    Cheltenham Town take on Manchester City live on BBC One later today and we have six games all kicking off at 15:00 GMT.

    First up, is an all-Premier League tie between two sides who could go on to win the competition.

    Wolves booked their place in the next round with a narrow win over non-league Chorley Town last night but will we get a few upsets today?

    .Getty Images